Material: each set includes good quality zinc alloy designed in cross shape, adopts electroplating technology, never rust, sturdy and durable, can be used for a very long time. Anyone working on control cabinets will need that. The utility meter key has 4 shapes, including 2 square shapes, 1 triangle shape and 1 key shape shown in the picture, it is functional and can be applied as long as according to the size and shape. Suitable for air conditioning, electric, car, elevator, etc. Dimension: the 4-way utility key measures 7.2 x 7.2 x 1.3 cm/ 2.83 x 2.83 x 0.51 inch, the suitable size for you to carry or put in your bag. There is a hole in the middle of the key, it can be hung on the key ring for easy carrying. Wide application: the Multi-function wrenches can be used as a convenient wrench and turn screws, suitable for many electric valves, water, gas, train, cabinet, elevator, etc. Product color: blue and black Scope of delivery: Two pieces